DTC B0029-12: Short To Power In The Right Side Curtain Airbag First Inflator (2014 2015)

NOTE: 

• BEFORE DOING THIS TROUBLESHOOTING PROCEDURE, FIND OUT IF THE VEHICLE WAS IN A COLLISION. IF SO, VERIFY THAT ALL THE REQUIRED COMPONENTS WERE REPLACED WITH NEW COMPONENTS, OF THE CORRECT PART NUMBER, AND THAT THEY WERE PROPERLY INSTALLED .
• Before doing this troubleshooting procedure, review SRS PRECAUTIONS AND PROCEDURES , GENERAL TROUBLESHOOTING INFORMATION , and 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION .
• Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, UPDATE THE SRS UNIT SOFTWARE , and retest.

DTC (SRS)

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   - 2. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B0029-12: Short to power in the right side curtain airbag first inflator

   Is DTC B0029-12 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. GO TO TROUBLESHOOTING INTERMITTENT FAILURES . If another DTC is indicated, troubleshoot the DTC.

2. Shorted wire check (RCA +, RCA - lines to power) 1

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

   - 3. Disconnect the following connector.

   SRS UNIT CONNECTOR B (39P)

   - 4. Reconnect the negative cable to the 12 volt battery.

   - 5. Turn the vehicle to the ON mode.

   - 6. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	SRS unit connector B (39P): disconnected
   Test circuit	RCA+
   Test point 1	SRS unit connector B (39P) No. 12
   Test point 2	Body ground

   Test circuit	RCA+
   Test point 1	SRS unit connector B (39P) No. 13
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there 0.2 V or less?

   YES 

   The RCA + and RCA - wires are OK. REPLACE THE SRS UNIT .

   NO 

   Go to step 3.

3. Shorted wire check (RCA +, RCA - lines to power) 2

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

   - 3. Remove the headliner.

   - 4. Disconnect the following connector.

   RIGHT SIDE CURTAIN AIRBAG INFLATOR 2P CONNECTOR (ON THE RIGHT SIDE WIRE HARNESS)

   - 5. Reconnect the negative cable to the 12 volt battery.

   - 6. Turn the vehicle to the ON mode.

   - 7. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	SRS unit connector B (39P): disconnected
   	Right side curtain airbag inflator 2P connector (on the right side wire harness): disconnected
   Test circuit	RCA+
   Test point 1	SRS unit connector B (39P) No. 12
   Test point 2	Body ground

   Test circuit	RCA+
   Test point 1	SRS unit connector B (39P) No. 13
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there 0.2 V or less?

   YES 

   The RCA + and RCA - wires are OK. Faulty right side curtain airbag inflator; REPLACE THE RIGHT SIDE CURTAIN AIRBAG , then clear the DTC.

   NO 

   Short to power in the right side wire harness; replace the right side wire harness, then clear the DTC.